1661265

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 3182400

約数和(自身を除く): 1521135

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 67, 87, 95, 145, 171, 201, 261, 285, 335, 435, 551, 603, 855, 1005, 1273, 1305, 1653, 1943, 2755, 3015, 3819, 4959, 5829, 6365, 8265, 9715, 11457, 17487, 19095, 24795, 29145, 36917, 57285, 87435, 110751, 184585, 332253, 553755, 1661265]

約数ペア:

[(1, 1661265), (3, 553755), (5, 332253), (9, 184585), (15, 110751), (19, 87435), (29, 57285), (45, 36917), (57, 29145), (67, 24795), (87, 19095), (95, 17487), (145, 11457), (171, 9715), (201, 8265), (261, 6365), (285, 5829), (335, 4959), (435, 3819), (551, 3015), (603, 2755), (855, 1943), (1005, 1653), (1273, 1305)]