212290425

素因数分解:

$3^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{4231}}^1$

素因数の和:4470

約数の個数: 36

約数和(自身を含む): 382031104

約数和(自身を除く): 169740679

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 223, 225, 669, 1115, 2007, 3345, 4231, 5575, 10035, 12693, 16725, 21155, 38079, 50175, 63465, 105775, 190395, 317325, 943513, 951975, 2830539, 4717565, 8491617, 14152695, 23587825, 42458085, 70763475, 212290425]

約数ペア:

[(1, 212290425), (3, 70763475), (5, 42458085), (9, 23587825), (15, 14152695), (25, 8491617), (45, 4717565), (75, 2830539), (223, 951975), (225, 943513), (669, 317325), (1115, 190395), (2007, 105775), (3345, 63465), (4231, 50175), (5575, 38079), (10035, 21155), (12693, 16725)]