405492045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{20219}}^1$

素因数の和:20425

約数の個数: 32

約数和(自身を含む): 745390080

約数和(自身を除く): 339898035

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191, 573, 955, 1337, 2865, 4011, 6685, 20055, 20219, 60657, 101095, 141533, 303285, 424599, 707665, 2122995, 3861829, 11585487, 19309145, 27032803, 57927435, 81098409, 135164015, 405492045]

約数ペア:

[(1, 405492045), (3, 135164015), (5, 81098409), (7, 57927435), (15, 27032803), (21, 19309145), (35, 11585487), (105, 3861829), (191, 2122995), (573, 707665), (955, 424599), (1337, 303285), (2865, 141533), (4011, 101095), (6685, 60657), (20055, 20219)]