28632825

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{251}}^1$

素因数の和:296

約数の個数: 72

約数和(自身を含む): 57183840

約数和(自身を除く): 28551015

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 169, 195, 225, 251, 325, 351, 507, 585, 675, 753, 845, 975, 1255, 1521, 1755, 2259, 2535, 2925, 3263, 3765, 4225, 4563, 6275, 6777, 7605, 8775, 9789, 11295, 12675, 16315, 18825, 22815, 29367, 33885, 38025, 42419, 48945, 56475, 81575, 88101, 114075, 127257, 146835, 169425, 212095, 244725, 381771, 440505, 636285, 734175, 1060475, 1145313, 1908855, 2202525, 3181425, 5726565, 9544275, 28632825]

約数ペア:

[(1, 28632825), (3, 9544275), (5, 5726565), (9, 3181425), (13, 2202525), (15, 1908855), (25, 1145313), (27, 1060475), (39, 734175), (45, 636285), (65, 440505), (75, 381771), (117, 244725), (135, 212095), (169, 169425), (195, 146835), (225, 127257), (251, 114075), (325, 88101), (351, 81575), (507, 56475), (585, 48945), (675, 42419), (753, 38025), (845, 33885), (975, 29367), (1255, 22815), (1521, 18825), (1755, 16315), (2259, 12675), (2535, 11295), (2925, 9789), (3263, 8775), (3765, 7605), (4225, 6777), (4563, 6275)]