221942955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 172870485

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 101, 177, 191, 195, 295, 303, 505, 573, 767, 885, 955, 1313, 1515, 2301, 2483, 2865, 3835, 3939, 5959, 6565, 7449, 11269, 11505, 12415, 17877, 19291, 19695, 29795, 33807, 37245, 56345, 57873, 77467, 89385, 96455, 146497, 169035, 232401, 250783, 289365, 387335, 439491, 732485, 752349, 1138169, 1162005, 1253915, 2197455, 3414507, 3761745, 5690845, 14796197, 17072535, 44388591, 73980985, 221942955]

約数ペア:

[(1, 221942955), (3, 73980985), (5, 44388591), (13, 17072535), (15, 14796197), (39, 5690845), (59, 3761745), (65, 3414507), (101, 2197455), (177, 1253915), (191, 1162005), (195, 1138169), (295, 752349), (303, 732485), (505, 439491), (573, 387335), (767, 289365), (885, 250783), (955, 232401), (1313, 169035), (1515, 146497), (2301, 96455), (2483, 89385), (2865, 77467), (3835, 57873), (3939, 56345), (5959, 37245), (6565, 33807), (7449, 29795), (11269, 19695), (11505, 19291), (12415, 17877)]