1219725

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 2430400

約数和(自身を除く): 1210675

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 139, 195, 225, 325, 351, 417, 585, 675, 695, 975, 1251, 1755, 1807, 2085, 2925, 3475, 3753, 5421, 6255, 8775, 9035, 10425, 16263, 18765, 27105, 31275, 45175, 48789, 81315, 93825, 135525, 243945, 406575, 1219725]

約数ペア:

[(1, 1219725), (3, 406575), (5, 243945), (9, 135525), (13, 93825), (15, 81315), (25, 48789), (27, 45175), (39, 31275), (45, 27105), (65, 18765), (75, 16263), (117, 10425), (135, 9035), (139, 8775), (195, 6255), (225, 5421), (325, 3753), (351, 3475), (417, 2925), (585, 2085), (675, 1807), (695, 1755), (975, 1251)]