81103515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 140846688

約数和(自身を除く): 59743173

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 289, 353, 795, 867, 901, 1059, 1445, 1765, 2703, 4335, 4505, 5295, 6001, 13515, 15317, 18003, 18709, 30005, 45951, 56127, 76585, 90015, 93545, 102017, 229755, 280635, 306051, 318053, 510085, 954159, 1530255, 1590265, 4770795, 5406901, 16220703, 27034505, 81103515]

約数ペア:

[(1, 81103515), (3, 27034505), (5, 16220703), (15, 5406901), (17, 4770795), (51, 1590265), (53, 1530255), (85, 954159), (159, 510085), (255, 318053), (265, 306051), (289, 280635), (353, 229755), (795, 102017), (867, 93545), (901, 90015), (1059, 76585), (1445, 56127), (1765, 45951), (2703, 30005), (4335, 18709), (4505, 18003), (5295, 15317), (6001, 13515)]