218620125

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{6701}}^1$

素因数の和:6751

約数の個数: 48

約数和(自身を含む): 407749680

約数和(自身を除く): 189129555

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 725, 1125, 1305, 2175, 3625, 6525, 6701, 10875, 20103, 32625, 33505, 60309, 100515, 167525, 194329, 301545, 502575, 582987, 837625, 971645, 1507725, 1748961, 2512875, 2914935, 4858225, 7538625, 8744805, 14574675, 24291125, 43724025, 72873375, 218620125]

約数ペア:

[(1, 218620125), (3, 72873375), (5, 43724025), (9, 24291125), (15, 14574675), (25, 8744805), (29, 7538625), (45, 4858225), (75, 2914935), (87, 2512875), (125, 1748961), (145, 1507725), (225, 971645), (261, 837625), (375, 582987), (435, 502575), (725, 301545), (1125, 194329), (1305, 167525), (2175, 100515), (3625, 60309), (6525, 33505), (6701, 32625), (10875, 20103)]