491738761515

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{727}}^1\times {\mathrm{2221}}^1$

素因数の和:3292

約数の個数: 64

約数和(自身を含む): 801302261760

約数和(自身を除く): 309563500245

約数列:

[1, 3, 5, 15, 79, 237, 257, 395, 727, 771, 1185, 1285, 2181, 2221, 3635, 3855, 6663, 10905, 11105, 20303, 33315, 57433, 60909, 101515, 172299, 175459, 186839, 287165, 304545, 526377, 560517, 570797, 861495, 877295, 934195, 1614667, 1712391, 2631885, 2802585, 2853985, 4844001, 8073335, 8561955, 14760281, 24220005, 44280843, 45092963, 73801405, 127558693, 135278889, 221404215, 225464815, 382676079, 414969419, 637793465, 676394445, 1244908257, 1913380395, 2074847095, 6224541285, 32782584101, 98347752303, 163912920505, 491738761515]

約数ペア:

[(1, 491738761515), (3, 163912920505), (5, 98347752303), (15, 32782584101), (79, 6224541285), (237, 2074847095), (257, 1913380395), (395, 1244908257), (727, 676394445), (771, 637793465), (1185, 414969419), (1285, 382676079), (2181, 225464815), (2221, 221404215), (3635, 135278889), (3855, 127558693), (6663, 73801405), (10905, 45092963), (11105, 44280843), (20303, 24220005), (33315, 14760281), (57433, 8561955), (60909, 8073335), (101515, 4844001), (172299, 2853985), (175459, 2802585), (186839, 2631885), (287165, 1712391), (304545, 1614667), (526377, 934195), (560517, 877295), (570797, 861495)]