291245985

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3331}}^1$

素因数の和:3438

約数の個数: 48

約数和(自身を含む): 530187840

約数和(自身を除く): 238941855

約数列:

[1, 3, 5, 9, 15, 29, 45, 67, 87, 145, 201, 261, 335, 435, 603, 1005, 1305, 1943, 3015, 3331, 5829, 9715, 9993, 16655, 17487, 29145, 29979, 49965, 87435, 96599, 149895, 223177, 289797, 482995, 669531, 869391, 1115885, 1448985, 2008593, 3347655, 4346955, 6472133, 10042965, 19416399, 32360665, 58249197, 97081995, 291245985]

約数ペア:

[(1, 291245985), (3, 97081995), (5, 58249197), (9, 32360665), (15, 19416399), (29, 10042965), (45, 6472133), (67, 4346955), (87, 3347655), (145, 2008593), (201, 1448985), (261, 1115885), (335, 869391), (435, 669531), (603, 482995), (1005, 289797), (1305, 223177), (1943, 149895), (3015, 96599), (3331, 87435), (5829, 49965), (9715, 29979), (9993, 29145), (16655, 17487)]