87840675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 172645200

約数和(自身を除く): 84804525

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 59, 65, 75, 117, 177, 195, 225, 295, 325, 509, 531, 585, 767, 885, 975, 1475, 1527, 2301, 2545, 2655, 2925, 3835, 4425, 4581, 6617, 6903, 7635, 11505, 12725, 13275, 19175, 19851, 22905, 30031, 33085, 34515, 38175, 57525, 59553, 90093, 99255, 114525, 150155, 165425, 172575, 270279, 297765, 390403, 450465, 496275, 750775, 1171209, 1351395, 1488825, 1952015, 2252325, 3513627, 5856045, 6756975, 9760075, 17568135, 29280225, 87840675]

約数ペア:

[(1, 87840675), (3, 29280225), (5, 17568135), (9, 9760075), (13, 6756975), (15, 5856045), (25, 3513627), (39, 2252325), (45, 1952015), (59, 1488825), (65, 1351395), (75, 1171209), (117, 750775), (177, 496275), (195, 450465), (225, 390403), (295, 297765), (325, 270279), (509, 172575), (531, 165425), (585, 150155), (767, 114525), (885, 99255), (975, 90093), (1475, 59553), (1527, 57525), (2301, 38175), (2545, 34515), (2655, 33085), (2925, 30031), (3835, 22905), (4425, 19851), (4581, 19175), (6617, 13275), (6903, 12725), (7635, 11505)]