127820315

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 197130240

約数和(自身を除く): 69309925

約数列:

[1, 5, 7, 19, 23, 35, 61, 95, 115, 133, 137, 161, 305, 427, 437, 665, 685, 805, 959, 1159, 1403, 2135, 2185, 2603, 3059, 3151, 4795, 5795, 7015, 8113, 8357, 9821, 13015, 15295, 15755, 18221, 22057, 26657, 40565, 41785, 49105, 58499, 59869, 91105, 110285, 133285, 158783, 186599, 192211, 292495, 299345, 419083, 793915, 932995, 961055, 1111481, 1345477, 2095415, 3652009, 5557405, 6727385, 18260045, 25564063, 127820315]

約数ペア:

[(1, 127820315), (5, 25564063), (7, 18260045), (19, 6727385), (23, 5557405), (35, 3652009), (61, 2095415), (95, 1345477), (115, 1111481), (133, 961055), (137, 932995), (161, 793915), (305, 419083), (427, 299345), (437, 292495), (665, 192211), (685, 186599), (805, 158783), (959, 133285), (1159, 110285), (1403, 91105), (2135, 59869), (2185, 58499), (2603, 49105), (3059, 41785), (3151, 40565), (4795, 26657), (5795, 22057), (7015, 18221), (8113, 15755), (8357, 15295), (9821, 13015)]