217162533

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 365281280

約数和(自身を除く): 148118747

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 97, 133, 181, 217, 291, 399, 543, 589, 651, 679, 1267, 1767, 1843, 2037, 3007, 3439, 3801, 4123, 5529, 5611, 9021, 10317, 12369, 12901, 16833, 17557, 21049, 24073, 38703, 39277, 52671, 57133, 63147, 72219, 106609, 117831, 122899, 171399, 319827, 333583, 368697, 399931, 544267, 746263, 1000749, 1199793, 1632801, 2238789, 2335081, 3809869, 7005243, 10341073, 11429607, 31023219, 72387511, 217162533]

約数ペア:

[(1, 217162533), (3, 72387511), (7, 31023219), (19, 11429607), (21, 10341073), (31, 7005243), (57, 3809869), (93, 2335081), (97, 2238789), (133, 1632801), (181, 1199793), (217, 1000749), (291, 746263), (399, 544267), (543, 399931), (589, 368697), (651, 333583), (679, 319827), (1267, 171399), (1767, 122899), (1843, 117831), (2037, 106609), (3007, 72219), (3439, 63147), (3801, 57133), (4123, 52671), (5529, 39277), (5611, 38703), (9021, 24073), (10317, 21049), (12369, 17557), (12901, 16833)]