78897015

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2524

約数の個数: 48

約数和(自身を含む): 147363840

約数和(自身を除く): 68466825

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 713, 1035, 1395, 2139, 2459, 3565, 6417, 7377, 10695, 12295, 22131, 32085, 36885, 56557, 76229, 110655, 169671, 228687, 282785, 381145, 509013, 686061, 848355, 1143435, 1753267, 2545065, 3430305, 5259801, 8766335, 15779403, 26299005, 78897015]

約数ペア:

[(1, 78897015), (3, 26299005), (5, 15779403), (9, 8766335), (15, 5259801), (23, 3430305), (31, 2545065), (45, 1753267), (69, 1143435), (93, 848355), (115, 686061), (155, 509013), (207, 381145), (279, 282785), (345, 228687), (465, 169671), (713, 110655), (1035, 76229), (1395, 56557), (2139, 36885), (2459, 32085), (3565, 22131), (6417, 12295), (7377, 10695)]