213048163839

素因数分解:

$3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{17971}}^1$

素因数の和:18317

約数の個数: 64

約数和(自身を含む): 340576588800

約数和(自身を除く): 127528424961

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 281, 287, 343, 843, 861, 1029, 1967, 2009, 5901, 6027, 11521, 13769, 14063, 17971, 34563, 41307, 42189, 53913, 80647, 96383, 125797, 241941, 289149, 377391, 564529, 736811, 880579, 1693587, 2210433, 2641737, 3951703, 5049851, 5157677, 6164053, 11855109, 15149553, 15473031, 18492159, 35348957, 36103739, 106046871, 108311217, 207043891, 247442699, 252726173, 621131673, 742328097, 758178519, 1449307237, 1732098893, 4347921711, 5196296679, 10145150659, 30435451977, 71016054613, 213048163839]

約数ペア:

[(1, 213048163839), (3, 71016054613), (7, 30435451977), (21, 10145150659), (41, 5196296679), (49, 4347921711), (123, 1732098893), (147, 1449307237), (281, 758178519), (287, 742328097), (343, 621131673), (843, 252726173), (861, 247442699), (1029, 207043891), (1967, 108311217), (2009, 106046871), (5901, 36103739), (6027, 35348957), (11521, 18492159), (13769, 15473031), (14063, 15149553), (17971, 11855109), (34563, 6164053), (41307, 5157677), (42189, 5049851), (53913, 3951703), (80647, 2641737), (96383, 2210433), (125797, 1693587), (241941, 880579), (289149, 736811), (377391, 564529)]