221443275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 412205760

約数和(自身を除く): 190762485

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 53, 75, 85, 87, 113, 145, 159, 255, 265, 339, 425, 435, 493, 565, 725, 795, 901, 1275, 1325, 1479, 1537, 1695, 1921, 2175, 2465, 2703, 2825, 3277, 3975, 4505, 4611, 5763, 5989, 7395, 7685, 8475, 9605, 9831, 12325, 13515, 16385, 17967, 22525, 23055, 26129, 28815, 29945, 36975, 38425, 48025, 49155, 55709, 67575, 78387, 81925, 89835, 101813, 115275, 130645, 144075, 149725, 167127, 173681, 245775, 278545, 305439, 391935, 449175, 509065, 521043, 653225, 835635, 868405, 1392725, 1527195, 1959675, 2545325, 2605215, 2952577, 4178175, 4342025, 7635975, 8857731, 13026075, 14762885, 44288655, 73814425, 221443275]

約数ペア:

[(1, 221443275), (3, 73814425), (5, 44288655), (15, 14762885), (17, 13026075), (25, 8857731), (29, 7635975), (51, 4342025), (53, 4178175), (75, 2952577), (85, 2605215), (87, 2545325), (113, 1959675), (145, 1527195), (159, 1392725), (255, 868405), (265, 835635), (339, 653225), (425, 521043), (435, 509065), (493, 449175), (565, 391935), (725, 305439), (795, 278545), (901, 245775), (1275, 173681), (1325, 167127), (1479, 149725), (1537, 144075), (1695, 130645), (1921, 115275), (2175, 101813), (2465, 89835), (2703, 81925), (2825, 78387), (3277, 67575), (3975, 55709), (4505, 49155), (4611, 48025), (5763, 38425), (5989, 36975), (7395, 29945), (7685, 28815), (8475, 26129), (9605, 23055), (9831, 22525), (12325, 17967), (13515, 16385)]