23005215

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 42229968

約数和(自身を除く): 19224753

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1321, 1935, 3483, 3963, 5805, 6605, 11889, 17415, 19815, 35667, 56803, 59445, 107001, 170409, 178335, 284015, 511227, 535005, 852045, 1533681, 2556135, 4601043, 7668405, 23005215]

約数ペア:

[(1, 23005215), (3, 7668405), (5, 4601043), (9, 2556135), (15, 1533681), (27, 852045), (43, 535005), (45, 511227), (81, 284015), (129, 178335), (135, 170409), (215, 107001), (387, 59445), (405, 56803), (645, 35667), (1161, 19815), (1321, 17415), (1935, 11889), (3483, 6605), (3963, 5805)]