51281475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 104993280

約数和(自身を除く): 53711805

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 53, 57, 75, 95, 97, 105, 133, 159, 175, 265, 285, 291, 371, 399, 475, 485, 525, 665, 679, 795, 1007, 1113, 1325, 1425, 1455, 1843, 1855, 1995, 2037, 2425, 3021, 3325, 3395, 3975, 5035, 5141, 5529, 5565, 7049, 7275, 9215, 9275, 9975, 10185, 12901, 15105, 15423, 16975, 21147, 25175, 25705, 27645, 27825, 35245, 35987, 38703, 46075, 50925, 64505, 75525, 77115, 97679, 105735, 107961, 128525, 138225, 176225, 179935, 193515, 293037, 322525, 385575, 488395, 528675, 539805, 683753, 899675, 967575, 1465185, 2051259, 2441975, 2699025, 3418765, 7325925, 10256295, 17093825, 51281475]

約数ペア:

[(1, 51281475), (3, 17093825), (5, 10256295), (7, 7325925), (15, 3418765), (19, 2699025), (21, 2441975), (25, 2051259), (35, 1465185), (53, 967575), (57, 899675), (75, 683753), (95, 539805), (97, 528675), (105, 488395), (133, 385575), (159, 322525), (175, 293037), (265, 193515), (285, 179935), (291, 176225), (371, 138225), (399, 128525), (475, 107961), (485, 105735), (525, 97679), (665, 77115), (679, 75525), (795, 64505), (1007, 50925), (1113, 46075), (1325, 38703), (1425, 35987), (1455, 35245), (1843, 27825), (1855, 27645), (1995, 25705), (2037, 25175), (2425, 21147), (3021, 16975), (3325, 15423), (3395, 15105), (3975, 12901), (5035, 10185), (5141, 9975), (5529, 9275), (5565, 9215), (7049, 7275)]