15817347

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 29877120

約数和(自身を除く): 14059773

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 89, 91, 93, 117, 147, 217, 267, 273, 279, 403, 441, 623, 637, 651, 801, 819, 1157, 1209, 1519, 1869, 1911, 1953, 2759, 2821, 3471, 3627, 4361, 4557, 5607, 5733, 8099, 8277, 8463, 10413, 13083, 13671, 19313, 19747, 24297, 24831, 25389, 35867, 39249, 56693, 57939, 59241, 72891, 107601, 135191, 170079, 173817, 177723, 251069, 322803, 405573, 510237, 753207, 1216719, 1757483, 2259621, 5272449, 15817347]

約数ペア:

[(1, 15817347), (3, 5272449), (7, 2259621), (9, 1757483), (13, 1216719), (21, 753207), (31, 510237), (39, 405573), (49, 322803), (63, 251069), (89, 177723), (91, 173817), (93, 170079), (117, 135191), (147, 107601), (217, 72891), (267, 59241), (273, 57939), (279, 56693), (403, 39249), (441, 35867), (623, 25389), (637, 24831), (651, 24297), (801, 19747), (819, 19313), (1157, 13671), (1209, 13083), (1519, 10413), (1869, 8463), (1911, 8277), (1953, 8099), (2759, 5733), (2821, 5607), (3471, 4557), (3627, 4361)]