201219837

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 353009664

約数和(自身を除く): 151789827

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 191, 221, 227, 273, 357, 573, 663, 681, 1337, 1547, 1589, 2483, 2951, 3247, 3859, 4011, 4641, 4767, 7449, 8853, 9741, 11577, 17381, 20657, 22729, 27013, 42211, 43357, 50167, 52143, 61971, 68187, 81039, 126633, 130071, 150501, 295477, 303499, 351169, 563641, 737069, 886431, 910497, 1053507, 1690923, 2211207, 3945487, 5159483, 9581897, 11836461, 15478449, 28745691, 67073279, 201219837]

約数ペア:

[(1, 201219837), (3, 67073279), (7, 28745691), (13, 15478449), (17, 11836461), (21, 9581897), (39, 5159483), (51, 3945487), (91, 2211207), (119, 1690923), (191, 1053507), (221, 910497), (227, 886431), (273, 737069), (357, 563641), (573, 351169), (663, 303499), (681, 295477), (1337, 150501), (1547, 130071), (1589, 126633), (2483, 81039), (2951, 68187), (3247, 61971), (3859, 52143), (4011, 50167), (4641, 43357), (4767, 42211), (7449, 27013), (8853, 22729), (9741, 20657), (11577, 17381)]