1900364085

素因数分解:

$3^4\times 5^1\times {\mathrm{4692257}}^1$

素因数の和:4692274

約数の個数: 20

約数和(自身を含む): 3406579308

約数和(自身を除く): 1506215223

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4692257, 14076771, 23461285, 42230313, 70383855, 126690939, 211151565, 380072817, 633454695, 1900364085]

約数ペア:

[(1, 1900364085), (3, 633454695), (5, 380072817), (9, 211151565), (15, 126690939), (27, 70383855), (45, 42230313), (81, 23461285), (135, 14076771), (405, 4692257)]