16814925

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{859}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 31992000

約数和(自身を除く): 15177075

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 859, 1305, 2175, 2577, 3915, 4295, 6525, 7731, 12885, 19575, 21475, 23193, 24911, 38655, 64425, 74733, 115965, 124555, 193275, 224199, 373665, 579825, 622775, 672597, 1120995, 1868325, 3362985, 5604975, 16814925]

約数ペア:

[(1, 16814925), (3, 5604975), (5, 3362985), (9, 1868325), (15, 1120995), (25, 672597), (27, 622775), (29, 579825), (45, 373665), (75, 224199), (87, 193275), (135, 124555), (145, 115965), (225, 74733), (261, 64425), (435, 38655), (675, 24911), (725, 23193), (783, 21475), (859, 19575), (1305, 12885), (2175, 7731), (2577, 6525), (3915, 4295)]