2206755

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 4212000

約数和(自身を除く): 2005245

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 89, 95, 145, 171, 261, 267, 285, 435, 445, 551, 801, 855, 1305, 1335, 1653, 1691, 2581, 2755, 4005, 4959, 5073, 7743, 8265, 8455, 12905, 15219, 23229, 24795, 25365, 38715, 49039, 76095, 116145, 147117, 245195, 441351, 735585, 2206755]

約数ペア:

[(1, 2206755), (3, 735585), (5, 441351), (9, 245195), (15, 147117), (19, 116145), (29, 76095), (45, 49039), (57, 38715), (87, 25365), (89, 24795), (95, 23229), (145, 15219), (171, 12905), (261, 8455), (267, 8265), (285, 7743), (435, 5073), (445, 4959), (551, 4005), (801, 2755), (855, 2581), (1305, 1691), (1335, 1653)]