31849245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 61301760

約数和(自身を除く): 29452515

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 79, 85, 93, 153, 155, 237, 255, 279, 289, 395, 465, 527, 711, 765, 867, 1185, 1343, 1395, 1445, 1581, 2449, 2601, 2635, 3555, 4029, 4335, 4743, 6715, 7347, 7905, 8959, 12087, 12245, 13005, 20145, 22041, 22831, 23715, 26877, 36735, 41633, 44795, 60435, 68493, 80631, 110205, 114155, 124899, 134385, 205479, 208165, 342465, 374697, 403155, 624495, 707761, 1027395, 1873485, 2123283, 3538805, 6369849, 10616415, 31849245]

約数ペア:

[(1, 31849245), (3, 10616415), (5, 6369849), (9, 3538805), (15, 2123283), (17, 1873485), (31, 1027395), (45, 707761), (51, 624495), (79, 403155), (85, 374697), (93, 342465), (153, 208165), (155, 205479), (237, 134385), (255, 124899), (279, 114155), (289, 110205), (395, 80631), (465, 68493), (527, 60435), (711, 44795), (765, 41633), (867, 36735), (1185, 26877), (1343, 23715), (1395, 22831), (1445, 22041), (1581, 20145), (2449, 13005), (2601, 12245), (2635, 12087), (3555, 8959), (4029, 7905), (4335, 7347), (4743, 6715)]