28038045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 53647488

約数和(自身を除く): 25609443

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 185, 245, 259, 555, 735, 777, 1031, 1295, 1813, 3093, 3885, 5155, 5439, 7217, 9065, 15465, 21651, 27195, 36085, 38147, 50519, 108255, 114441, 151557, 190735, 252595, 267029, 572205, 757785, 801087, 1335145, 1869203, 4005435, 5607609, 9346015, 28038045]

約数ペア:

[(1, 28038045), (3, 9346015), (5, 5607609), (7, 4005435), (15, 1869203), (21, 1335145), (35, 801087), (37, 757785), (49, 572205), (105, 267029), (111, 252595), (147, 190735), (185, 151557), (245, 114441), (259, 108255), (555, 50519), (735, 38147), (777, 36085), (1031, 27195), (1295, 21651), (1813, 15465), (3093, 9065), (3885, 7217), (5155, 5439)]