15673868721

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{613}}^1$

素因数の和:1207

約数の個数: 96

約数和(自身を含む): 27999578880

約数和(自身を除く): 12325710159

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 399, 521, 613, 779, 861, 1197, 1563, 1839, 2337, 2583, 3647, 4291, 4689, 5453, 5517, 7011, 9899, 10941, 11647, 12873, 16359, 21361, 25133, 29697, 32823, 34941, 38619, 49077, 64083, 69293, 75399, 81529, 89091, 104823, 149527, 175931, 192249, 207879, 226197, 244587, 319373, 405859, 448581, 477527, 527793, 623637, 733761, 958119, 1217577, 1345743, 1432581, 1583379, 2235611, 2841013, 2874357, 3342689, 3652731, 4297743, 6068087, 6706833, 8523039, 10028067, 13094293, 18204261, 20120499, 25569117, 30084201, 39282879, 42476609, 54612783, 91660051, 117848637, 127429827, 248791567, 274980153, 382289481, 746374701, 824940459, 1741540969, 2239124103, 5224622907, 15673868721]

約数ペア:

[(1, 15673868721), (3, 5224622907), (7, 2239124103), (9, 1741540969), (19, 824940459), (21, 746374701), (41, 382289481), (57, 274980153), (63, 248791567), (123, 127429827), (133, 117848637), (171, 91660051), (287, 54612783), (369, 42476609), (399, 39282879), (521, 30084201), (613, 25569117), (779, 20120499), (861, 18204261), (1197, 13094293), (1563, 10028067), (1839, 8523039), (2337, 6706833), (2583, 6068087), (3647, 4297743), (4291, 3652731), (4689, 3342689), (5453, 2874357), (5517, 2841013), (7011, 2235611), (9899, 1583379), (10941, 1432581), (11647, 1345743), (12873, 1217577), (16359, 958119), (21361, 733761), (25133, 623637), (29697, 527793), (32823, 477527), (34941, 448581), (38619, 405859), (49077, 319373), (64083, 244587), (69293, 226197), (75399, 207879), (81529, 192249), (89091, 175931), (104823, 149527)]