7221375

素因数分解:

$3^2\times 5^3\times 7^2\times {\mathrm{131}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 15258672

約数和(自身を除く): 8037297

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 125, 131, 147, 175, 225, 245, 315, 375, 393, 441, 525, 655, 735, 875, 917, 1125, 1179, 1225, 1575, 1965, 2205, 2625, 2751, 3275, 3675, 4585, 5895, 6125, 6419, 7875, 8253, 9825, 11025, 13755, 16375, 18375, 19257, 22925, 29475, 32095, 41265, 49125, 55125, 57771, 68775, 96285, 114625, 147375, 160475, 206325, 288855, 343875, 481425, 802375, 1031625, 1444275, 2407125, 7221375]

約数ペア:

[(1, 7221375), (3, 2407125), (5, 1444275), (7, 1031625), (9, 802375), (15, 481425), (21, 343875), (25, 288855), (35, 206325), (45, 160475), (49, 147375), (63, 114625), (75, 96285), (105, 68775), (125, 57771), (131, 55125), (147, 49125), (175, 41265), (225, 32095), (245, 29475), (315, 22925), (375, 19257), (393, 18375), (441, 16375), (525, 13755), (655, 11025), (735, 9825), (875, 8253), (917, 7875), (1125, 6419), (1179, 6125), (1225, 5895), (1575, 4585), (1965, 3675), (2205, 3275), (2625, 2751)]