53312493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 81672192

約数和(自身を除く): 28359699

約数列:

[1, 3, 13, 17, 39, 51, 191, 221, 421, 573, 663, 1263, 2483, 3247, 5473, 7157, 7449, 9741, 16419, 21471, 42211, 80411, 93041, 126633, 241233, 279123, 1045343, 1366987, 3136029, 4100961, 17770831, 53312493]

約数ペア:

[(1, 53312493), (3, 17770831), (13, 4100961), (17, 3136029), (39, 1366987), (51, 1045343), (191, 279123), (221, 241233), (421, 126633), (573, 93041), (663, 80411), (1263, 42211), (2483, 21471), (3247, 16419), (5473, 9741), (7157, 7449)]