28735125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 52166400

約数和(自身を除く): 23431275

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 109, 111, 125, 185, 285, 327, 375, 475, 545, 555, 703, 925, 1425, 1635, 2071, 2109, 2375, 2725, 2775, 3515, 4033, 4625, 6213, 7125, 8175, 10355, 10545, 12099, 13625, 13875, 17575, 20165, 31065, 40875, 51775, 52725, 60495, 76627, 87875, 100825, 155325, 229881, 258875, 263625, 302475, 383135, 504125, 776625, 1149405, 1512375, 1915675, 5747025, 9578375, 28735125]

約数ペア:

[(1, 28735125), (3, 9578375), (5, 5747025), (15, 1915675), (19, 1512375), (25, 1149405), (37, 776625), (57, 504125), (75, 383135), (95, 302475), (109, 263625), (111, 258875), (125, 229881), (185, 155325), (285, 100825), (327, 87875), (375, 76627), (475, 60495), (545, 52725), (555, 51775), (703, 40875), (925, 31065), (1425, 20165), (1635, 17575), (2071, 13875), (2109, 13625), (2375, 12099), (2725, 10545), (2775, 10355), (3515, 8175), (4033, 7125), (4625, 6213)]